[lldb] [llvm] Modify the localCache API to require an explicit commit on CachedFile… (PR #136121)

[Alexey Karyakin via llvm-commits]

quic-akaryaki wrote:

@anjenner : an alternative way to report error would be to pass a "diagnostic object" to CachedFileStream that would collect errors happening during calling its destructors, report them later, and fail the compilation if any. That might have been a less intrusive way.

https://github.com/llvm/llvm-project/pull/136121